Counting machine



jaw. 29, 1929. 1,700,292

, E. R KREEVOY GOUNTING MACHINE Filed D86. 16, 1926 2720671607 Edward P 117 66 003 by 7710 abb'y.

Patented Jan. 29,1929.

UNITED STATES PATENT OFFICE.

EDWARD P. KBEEVOY, 0F BOSTON, MASSACHUSETTS.

COUNTING mom.

Application filed December 16, 1928. Serial No. 155,181.

locking the operating lever and resetting mechanism against accidental movement or operatlon.

The invention consists in a counting ina-- chine as set forth in the following specification and particularly as pointed out in the claims thereof.

Referring to the drawings:

Figure 1 represents a front elevation of the count' mechanism, the casin being illustrated 1n section and the in icating wheels being broken away and partly illustrated in section.

Fig. 2 is a transverse section taken on the line 22 of Fig. 1, looking in the direction of the arrows on said line.

Fig. 3 is a transverse section taken on the line 3-3 of Fig. 1, looking in the direction of the arrows on said line.

Fig. 4 is a detail plan view of a portion of the casing, illustrating the locking mechanism for the operating lever and resetting mechanism.

Like numerals refer to like parts throughout the several views of the drawings.

In the drawings, 5 represents a casing constructed of any suitable material, and the upper front corner of said casing is prefera ly within the casing 5 and forms a shafts 8 and 9,. said shafts bein mounted in arallel relation in said brac et. Rigidly astened to the shaft 8 at one end thereof is a units indicating wheel 10 having support for .numerals from 0 to 9 spaced at regular intervals around the periphery thereof. Also fast to the shaft 8, upon the opposite end thereof from the indicating wheel 10, is a ratchet 12 preferably having nine teeth 13, all of the same size, and one tooth 14 which is cut deeper than the teeth 13, and the ratchet 12 is provided with a spring 15 which is mounted in any suitable manner upon the bracket 7, and said spring is positioned in such relation to said ratchet as to permit rotation in one direction and to prevent its rotation in an opposite direction. 7

Rigidly fastened to one end of the shaft 9 is a tens indicating wheel 16, preferably curved at 6. A bracket 7 is mounted of a greater diameter than-the diameter of the indicating wheel 10, andfsaid indicating wheel 16 has a plurality of numerals from 0 to 25 s'paced at regular intervals around the periphery thereo there being as many of said numerals as is permitted by the size of said wheel.

'lhe indicating wheel 16 is positioned ad acent to and parallel with the indicating wheel 10, and said indicating wheels are so posltloned within the casing that the peripheries thereof will pass closeto the rear surface of the curved portion 6 of the casin 5, at-which oint the peripheries of said in icating whee s will approximately align with each other.

Also rigidli fastened to the shaft 9, adjacent to the ot er end thereof from that upon which the indicating wheel 16 is located, are ratchets 18 and 19 preferably of the same diameter and having thesame number of teeth. The ratchet 19, however, is mounted upon the shaft 9 with its teeth positioned opposite to the teeth of the ratchet 18.

A. spring 20 is provided for the. ratchet 18, said spring being fastened in any suitable manner to thebracket 7 and positioned relatively to the ratchet 18 to permit the same to rotate'in one direction and prevent its rotation in an opposite direction. The ratchet 18 is ositioned in parallel relation with the ratchet 12 and said ratchets are also positioned so that at one point upon their peripheries will align with a tooth of the ratchet 12. The ratchets 12 and .18 are actuated to rotate the indicating wheels 11 and 16 by an operating lever 21 which is pivotally mounted on the shaft 8, and said operating lever has a handle portion 22 which projects outwardl from the casing provi ed in the top of said casing.

A sprin 24 is provided for the urpose of normaly holding the operating ever in the position illustrated in Fig. 2 and for returnin said operating lever to said POSI- tion whenever said lever is moved forwardly.

A pawl 25 is pivotally attached at 26 to the operating lever 21, and a spring 27 is provided for said pawl, engaging the latter. same in engage one tooth of the ratchet 18' 5 through a slot 23- ing lever 21 is moved forwardly the pawl 25 will engage a tooth of the ratchet 12, ro-

tatin the latter a distance equal to the lengt on one of said teeth, and when the pawl engages the deep cut tooth 14 of said ratchet 12, the spring 27 will force said pawl downwardly in front of said tooth a sufficient amount to permit said awl to engage one of the teeth of the rate et 18, and the latter will rotate in unison with the ratchet 12 a distance equal to the length of one tooth.

Means are provided for the purpose of preventing accidental movement or operation of the operating lever 21 and theresetting ratchet 19,, said means embodying therein a locking slide 28 slidably mounted in any suitable manner upon the undersurface of the top of the casing 5 and said slide is adapted to be moved into a notch 29 provided in the operating lever 21, at which time said lever is held in the position illustrated in Fig. 2. I

A handle 30 is provided for the slide 28, said handle rojecting through a slot 31 provided in t e top of the casing 5. The opposite end portion of the slide 28 from that which interlocks with the operating lever 21 is formed into a pawl 32 which engages the teeth of the ratchet 19 and prevents the latter from being rotated in the same direction as the ratchet 12 whenever the operating lever is held against its operating movement.

A spring 33 is provided for the locking slide 28 and normally acts to hold said slide within the notch 29 of the operating lever as illustrated in Figs. 1 and 2. An operating knob 34'is rigidly fastened to an end of the shaft 9 that projects through the casing 5 and said operating knob is utilized whenever it is desired to reset the indicating wheels. An opening 35 is provided in the curved portion 6 of the casing 5 in front of the indicating wheels 10 and 16, and a transparent member 36 is provided at the rear of said opening, the numerals u on the indicating wheels 10 and 16 being visible through said opening and transparent member.

The general operation of the device hereinbefore specifically described is as follows :Assuming that the indicating wheels 10 and 16 of the device are each set at 0, the locking slide 28 is moved out of engagement with the operating lever 21 b grasping the handle 30 of said lockin sli e and moving thelatter from in fronto the operating lever and out of engagement with the teeth of. the ratchet 19. The operating lever is then rocked forwardly and the pawl 35 will successively engage the teeth 13 of the ratchet 12 rotating the latter one tooth with each operating movement of the lever and the numerals from 0 to 9 of the indicating wheel 10 will be exposed successively to view to the operator of the device through the opening 35 and transparent member 36.

of the ratchet 12 and t e ratchet 18- will again be rotated one tooth, again operating the indicating wheel 16 and exposing the numeral 2 to view. This operation may be repeated to the extent permitted by the indi cating wheels which finally will again register 0.

If, however, prior to said indicating wheels registering 0, it is desired to reset the device, the operating knob 34 may be grasped and with the locking slide 28 out of engagementv with both the lever 21 and the ratchet 19, the latter may be rotated by the knob 34 in the same direction as. the ratchet 18 has formerly been rotated by the operating lever 21 and pawl 25 until the indicating wheel 16 registers 0'. The in'dicatin wheel 10 is returned to 0 by operating t e'lever 21.

' In the accompan ing drawing one form of my invention has been illustrated, but it is evident that many changes may be made in the construction of the device without departing from the spirit of the invention or the scope of the appended claims. 7

I claim:

1. A counting machine having, in combination, a casing provided with an opening therein, a plurality of shafts mounted in parallel relation in said casing, an indicating wheel of a different diameter u on each of said shafts, the peripheries of sai indicat ing wheels aligned with each other at said opening, a ratchet for each of said indicating wheels, said ratchets being mounted adjacent to each other and in parallel relation upon each of said shafts, one of said ratchets having a tooth cut deeper than the other teeth thereon, an operating lever, and a pawl fast to said lever and adapted to rotate said indicating wheels, one of said ratchets being actuated by said pawl with each operating movement of said lever and both of said ratchets being actuated in unison when said pawl engages said deep cut tooth.

2. A counting machine having in combination, a casing, a pluralit of shafts mounted in parallel relation in sai casing, an indicating wheel upon each of said shafts, side faces of said wheels being located adjacent to and parallel with each other, a ratchet for each of said indicating wheels, said ratchets being mounted adjacent to each other and in par allel relation upon each of said shafts, one of said ratchets having a tooth cut deeper than the other teeth thereon, an operating lever, a pawl pivotally mounted upon said lever and adapted to engage both of said ratchets and thereby rotate said indicating wheels, one of said ratchets being actuated by said pawl with each operating movement of said lever and both of said ratchets being actuated in unison when said pawl engages said deep cut tooth. v

3. A counting machine having, in combination, a casing, a shaft rotatably mounted in said casing, an indicating wheel fast to said shaft, a ratchet also fast to said shaft and havin a tooth cut deeper than the other teeth t ereon, another shaft rotatably m0unt= ed in said casin and parallel to said firstnamed shaft, an mdicatingxwheel and ratchet fast to said last-named s aft, an operating lever pivotally mounted upon said firstnamed shaft, a pawl pivotally mounted upon said lever and adapted to rotate said indicating wheels, said first-named ratchet being actuated by said pawl with each operating movement of said lever, and both of said ratchets being actuated in unison by said pawl when the latter engages said deep cut tooth.

In testimony whereof I have hereunto set my hand.

EDWARD P. KREEVOY. 

